from tkinter import *

x = int(input())
y = int(input())
n = int(input())

if n == 0 and x >= 0 and x <= 500 and y >= 0 and y <= 500:
    pass
elif n > 0 and 0 * n + x >= 0 and 0 * n + y >= 0 and 20 * n + x <= 500 and 20 * n + y <= 500:
    pass
elif n < 0 and 20 * n + x >= 0 and 20 * n + y >= 0 and 0 * n + x <= 500 and 0 * n + y <= 500:
    pass
else:
    print('Размер фигуры превышает максимальный размер поля')
    exit()
coords = [0,0,10,0,10,10,20,10,20,30,10,30,10,20,0,20]
root = Tk()
root.title('ИТ марафон')
root.geometry('500x500')
canvas = Canvas(bg='white', width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)
canvas.create_polygon(coords[0] * n + x, coords[1] * n +y,
                      coords[2] * n + x, coords[3] * n +y,
                      coords[4] * n + x, coords[5] * n +y,
                      coords[6] * n + x, coords[7] * n +y,
                      coords[8] * n + x, coords[9] * n +y,
                      coords[10] * n + x, coords[11] * n +y,
                      coords[12] * n + x, coords[13] * n +y,
                      coords[14] * n + x, coords[15] * n +y,)
root.mainloop()